12213201001322 has 4 divisors (see below), whose sum is σ = 18319801501986. Its totient is φ = 6106600500660.

The previous prime is 12213201001271. The next prime is 12213201001367. The reversal of 12213201001322 is 22310010231221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12136716120841 + 76484880481 = 3483779^2 + 276559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12213201001294 and 12213201001303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053300250329 + ... + 3053300250332.

Almost surely, 2^{12213201001322} is an apocalyptic number.

12213201001322 is a deficient number, since it is larger than the sum of its proper divisors (6106600500664).

12213201001322 is an equidigital number, since it uses as much as digits as its factorization.

12213201001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106600500663.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12213201001322 its reverse (22310010231221), we get a palindrome (34523211232543).

The spelling of 12213201001322 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, one thousand, three hundred twenty-two".